The document discusses fraud detection and prevention at a casino. It outlines warning signs of potential fraud, such as drastic drops in key metrics without explanation, changes in management and personnel involving relatives or inexperienced hires, and irregular business decisions. The author develops a theory that management is colluding with players to artificially lower hold percentages by manipulating dealer assignments and shifts. After nearly a year of underperformance, new management is brought in and financial results improve, suggesting the previous management was defrauding the casino.